Belvidere, Ill. NDK (Nihon Dempa Kogyo Co., Ltd.) offers a host of frequency control devices including crystal resonators, temperature compensated crystal oscillators (TCXOs), crystal oscillators (XOs), and dual SAW filters in a small surface-mount 2.5 x 2.0-mm RoHS compliant/lead-free package. These devices offer an 86% reduction in board space when compared to 7.0 x 5.0-mm packages.
Devices housed in the smaller package include the NX2520S crystal resonator, NT2520S TCXO, NZ2520S XO, and WF784 dual SAW filters. These devices are designed for WCDMA/UMTS, GSM/GPRS, EDGE, Bluetooth, DVB-H, GPS, MP3, RFID, TV Tuner, USB, WLAN, WiMAX, and ZigBee applications found in small portable products.
The NX2520S crystal resonator is available in a frequency range of 16.0 to 80.0 MHz. The NT2520S TCXO is available in a frequency range of 13.0 to 26.0 MHz, and the NZ2520S XO offers a frequency range of 1.5 to 67.5 MHz. The WF784 dual SAW filters are designed for EGSM/DCS, GSM/EGSM and DCS/PCS handsets. All of these devices are said to deliver excellent frequency tolerance and stability over a broad operating temperature range, and are designed to withstand the requirements of reflow soldering using lead-free solder.
The NX2520S series crystal resonator is priced at approximately $0.59 each; the NT2520S series TCXO at approximately $1.45 each; the NZ2520S series XO at approximately $1.20 each, and theWF784 dual SAW filters at approximately $0.65 each, all in quantities of 10,000 (on tape-and-reel). Delivery for any of the 2520 products is 12 weeks.
NDK America, Inc., 1-800-NDK-XTAL (635-9825), www.ndkxtal.com